Illustrations xi 



PAGI 



I'H'.. 44. She stands like a statuette while inspecting her family ..... 59 

 IMC. 45. She devours what is sometimes removed from the nest ..... 60 

 FIG. 46. The sac is taken directly from the cloaca of the young bird . . .61 



FIG. 47 A young Waxwing from this nest on the morning of flight, in natural attitude 



expressive of fear. July 19, 1900 ........ 62 



FIG. 48. Cedar-bird, thirty-six hours old. Typical instinctive response to sound or 



vibration of nest. The stub- wings are used for suppoit .... 62 



Cedar-bird standing at nest after delivery of food . ....... 63 



FIG. 49. Male Red-eyed Vireo standing over nest. Life-size X 3 ..... 65 



FIG. 50 Female Red-eyed Vireo with a neuropterous (?) insect in bill .... 66 



F'IG. 51. Feeding a nestling ............ 66 



FIG. 52. Female inspecting the nest in the characteristic manner ..... 66 



FIG. 53. Male standing over the young .......... 67 



FIG. 54. F'emale Red-eyed Vireo cautiously inspecting nest. Compare with the freer 



manner illustrated in Fig. 52. July 5, 1900 ....... 67 



FIG. 55. Approaching to inspect the nest and drawing back . . . -67 



FIG. 56. Cautiously feeding the young . . .68 



FIG. 57. Inspecting nest at a distance . . . .69 



FIG. 58. Young birds from this nest just before flight ... -7 



FIG. 59. Female Bluebird on point of leaving nest-hole . . 71 



lie. 60. Taking grasshopper to young ........ 72 



FIG. 61. Standing at entrance with green insect-larva in bill . . -73 



FIG. 62. Female Bluebird cleaning the nest .... ... 74 



FIG. 63. Cleaning the nest . . . . . . 74 



FIG. 64. Cleaning the nest ...... -74 



FIG. 65. Taking a final glance around before entering nest-hole with grasshopper . . 75 

 FIG. 66. Female Catbird bringing to young a limp dragon-fly, the large .-Eschna heros, 



which has just issued from its pupa-skin ....... 76 



FIG. 67. Catbird inspecting her young .......... 77 



FIG. 68 Catbird cleaning the nest .......... 79 



FIG. 69. Night Hawk on bare ground, and eggshells from which it emerged three days 



before . . ..... . .80 



FIG. 70. Night Hawk approximately three days old . . Si 



IMG. 71. Night Hawk about nine days old . . .81 



I ic. 72. Night Hawk about twelve days old . . . . 82 



FIG. 73. Night Hawk about sixteen days old ... . . .82 



FIG. 74. Front-face view of bird shown in Fig. 72 ....... 83 



''" 75' Young Night Hawk in enclosure where it remained until able to fly . . 83 



FIG. 76.' Tunnel of Kingfisher (on the right) in sand-bank overgrown with pines, beside 



country road. Northfield, New Hampshire. August, 1899 . . 86 



FIG. 77. Nest of 1900 in same bank and probably of same pair. Kingfisher taking fish 



to young. Lens 9 T \ inch; speed \\ stop 8; time -j s second; distance 9 ft. 8 



in. ; full sun. July 24, 1900 . . . . .87 



FIG. 78. Kingfisher backing out of tunnel. A stream of sand is started from tne opening 



at every entrance and exit ....... .87 



FIG. 79. Five Kingfishers from chamber at end of tunnel approximately nine days old. 



July 19, 1900 ... ...... 89 



